If the electric signal from these fish drastically changes, it could indicate..
a. pollution
b. not enough oxygen in the water

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

What are the three different shapes or structures shapes or structure of carbon-based molecules?

Water diffusing through a semipermeable membrane is called